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Breitling Chronomat B31 Automatic 40

Breitling Chronomat B31 Automatic 40

AutomaticSteel

Ref. AB3114101A1A1

Collection: ChronomatCase size: 40mmMovement: B31Production: 2026 - Present

With a 40 mm steel case, the Breitling Chronomat B31 Automatic 40 is reference AB3114101A1A1. Its thickness is 10.99 mm, with a display back. The self-winding B31 calibre supplies a 78 hour power reserve. A sapphire crystal protects the white dial. This dive watch has a date display and a unidirectional rotating bezel. Breitling rates the case to 200 metres. A steel bracelet accompanies the watch.

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Last updated 7 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

40mm

Thickness

10.99mm

Lug Width

18mm

Case Material

Steel

Water Resistance

200m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

B31

Power Reserve

78h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

DIAL

Dial Color

White

BRACELET/STRAP

Bracelet/Strap

Steel

FEATURES & COMPLICATIONS

DateDisplay backRotating BezelScrew-Down Crown

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